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CVE-2026-79749

🗓️ 31 Aug 2026 17:54:45Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views🌐 WEB

SSRF guard bypass in MCPHub before 1.0.32 via IPv6 transition addresses in URL validation.

Related
Detection
Affected
Refs
Paths
Vulners
Node
mcphubxmcphubRange<1.0.32
[
  {
    "vendor": "samanhappy",
    "product": "mcphub",
    "versions": [
      {
        "version": "< 1.0.32",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
server_urlpathsrc/utils/ssrf.tsSSRF guard inadequately checks IPv6 transition addresses (NAT64, 6to4, Teredo), allowing an attacker to encode a private IPv4 inside an IPv6 form in the MCP server connection URL to bypass the guard and reach internal infrastructure. Patched in v1.0.32.CWE-918

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08 Sep 2026 21:08Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.6
EPSS0.00449
SSVC
33